4th Dimension - Where is the another axis?

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• published: 08 Aug 2015
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My assumption of the location of 4 dimensional space. As you know One spatial dimension has one axis. Two spatial dimension has two axes. Three spatial dimension has three axes… What about 4 spatial dimension? We need an another axis, right? The question is where we should add an additional axis. Do higher dimensions really exists, by the way? According to string theory, the number of dimensions of spacetime must be 10. But String theory itself is just a hypothesis, and I don’t know how they come up with this idea. There is a hypothesis called hollow earth hypothesis. According to wikipedia… The Hollow Earth hypothesis proposes that the planet Earth either is entirely hollow or otherwise contains a substantial interior space. This idea was developed by scientists like Edmond Halley and Leonhard Euler. But these days it’s more like a conspiracy theory. A rumor has it that Admiral Richard E Byrd or Norwegian sailer Olaf Jansen entered the inner earth. Also a legendary world called Shamballa or Agartha is said to be in inner earth. But the earth does not have to be hollow in order to have enough space inside. Let’s focus on planet earth as the subject and try to find out where 4 dimension resides. First take a look at 2 Dimensional objects in 3Dimensional space . Objects changes it’s shape as it’s angle changes. Of course object itself does not change its shape. It’s just how they look. Also the size of Objects are unpredictable without the information on the distance. And the shapes are unpredictable too. Don’t you think 3 dimensional objects changes more drastically than that of 2d? How? Here’s my assumption, If the 4th axis has to exist, one possibility would be a direction of gravity. The axis is slightly different from z axis in 3d world. This is almost like regarding the earth as flat. By unwrapping the earth along with the axis of gravity, there would be a depth inside of the earth. This looks like micro becomes macro and vice versa. Quite a disaster isn't it? Not really. This change only happen to human perception. The shape of the objects depend upon the location of the observer and the angle of the objects. Convex earth, Concave earth, flat earth. Those are just the same object viewed from a different angle. In other words, Those are the same topology. If 4 dimension were to exists, it has always existed forever. Only thing that matter is our perception. Whatever it looks, physics works the way it does. 3 dimensional world does not change at all. We usually measure things using euclidean space. But the surface of the earth looks non euclidean space. So fixing this is kind of make sense. Whether the surface of the earth is euclidean or not , our life does not change a lot. I focused on the planet earth, but what about other objects? Does the spherical shape has special meaning? A baseball holds an alternative world inside? What about garbages or stones? Is gravity necessary for 4 dimensional objects? Assuming that every objects on the planet earth is written on a sheet of 3 dimensional paper, everything has same 4 dimensional depth. So Event though 4 dimension exists , every 3d objects doesn’t have to be 4-manifold. We don’t have to care about 4 dimensional depth when we build an architecture. But still, some things are special. If 4 dimensional objects exists in 3d world, it should change it’s shape. What are they? Those are the lifeforms like animals or plants. And of course atoms or Elementary particles like electrons. But those are the field of quantum physics so maybe I shouldn’t bother.